/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2006-2011 ScriptDev2 <http://www.scriptdev2.com/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "ScriptPCH.h"
#include "naxxramas.h"

#define SPELL_BOMBARD_SLIME         28280

#define SPELL_POISON_CLOUD          28240
#define SPELL_MUTATING_INJECTION    28169
#define SPELL_SLIME_SPRAY           RAID_MODE(28157, 54364)
#define SPELL_BERSERK               26662
#define SPELL_POISON_CLOUD_ADD      59116

#define EVENT_BERSERK   1
#define EVENT_CLOUD     2
#define EVENT_INJECT    3
#define EVENT_SPRAY     4

#define MOB_FALLOUT_SLIME   16290

class boss_grobbulus: public CreatureScript {
public:
	boss_grobbulus() :
			CreatureScript("boss_grobbulus") {
	}

	CreatureAI* GetAI(Creature* pCreature) const {
		return new boss_grobbulusAI(pCreature);
	}

	struct boss_grobbulusAI: public BossAI {
		boss_grobbulusAI(Creature *c) :
				BossAI(c, BOSS_GROBBULUS) {
			me->ApplySpellImmune(0, IMMUNITY_ID, SPELL_POISON_CLOUD_ADD, true);
			me->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_KNOCK_BACK,
					true);
			me->ApplySpellImmune(0, IMMUNITY_MECHANIC, MECHANIC_GRIP, true);
		}

		void EnterCombat(Unit * /*who*/) {
			_EnterCombat();
			events.ScheduleEvent(EVENT_CLOUD, 15000);
			events.ScheduleEvent(EVENT_INJECT, 20000);
			events.ScheduleEvent(EVENT_SPRAY, 15000 + rand() % 15000); //not sure
			events.ScheduleEvent(EVENT_BERSERK, 12 * 60000);
		}

		void SpellHitTarget(Unit *pTarget, const SpellEntry *spell) {
			if (spell->Id == uint32(SPELL_SLIME_SPRAY)) {
				if (TempSummon *slime = me->SummonCreature(MOB_FALLOUT_SLIME, pTarget->GetPositionX(), pTarget->GetPositionY(), pTarget->GetPositionZ(), 0, TEMPSUMMON_TIMED_DESPAWN_OUT_OF_COMBAT, 0))
					DoZoneInCombat(slime);
			}
		}

		void JustDied(Unit* /*killer*/) {
			_JustDied();
		}

		void UpdateAI(const uint32 diff) {
			if (!UpdateVictim())
				return;

			events.Update(diff);

			while (uint32 eventId = events.ExecuteEvent()) {
				switch (eventId) {
				case EVENT_CLOUD:
					DoCastAOE(SPELL_POISON_CLOUD);
					events.ScheduleEvent(EVENT_CLOUD, 15000);
					return;
				case EVENT_BERSERK:
					DoCastAOE(SPELL_BERSERK);
					return;
				case EVENT_SPRAY:
					DoCastAOE(SPELL_SLIME_SPRAY);
					events.ScheduleEvent(EVENT_SPRAY, 15000 + rand() % 15000);
					return;
				case EVENT_INJECT:
					if (Unit *pTarget = SelectUnit(SELECT_TARGET_RANDOM, 1))
						if (!pTarget->HasAura(SPELL_MUTATING_INJECTION))
							DoCast(pTarget, SPELL_MUTATING_INJECTION);
					events.ScheduleEvent(EVENT_INJECT,
							8000 + uint32(120 * me->GetHealthPct()));
					return;
				}
			}

			DoMeleeAttackIfReady();
		}
	};
};

class npc_grobbulus_poison_cloud: public CreatureScript {
public:
	npc_grobbulus_poison_cloud() :
			CreatureScript("npc_grobbulus_poison_cloud") {
	}

	CreatureAI* GetAI(Creature* pCreature) const {
		return new npc_grobbulus_poison_cloudAI(pCreature);
	}

	struct npc_grobbulus_poison_cloudAI: public Scripted_NoMovementAI {
		npc_grobbulus_poison_cloudAI(Creature* pCreature) :
				Scripted_NoMovementAI(pCreature) {
			Reset();
		}

		uint32 Cloud_Timer;

		void Reset() {
			Cloud_Timer = 1000;
			me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE);
		}

		void UpdateAI(const uint32 diff) {
			if (Cloud_Timer <= diff) {
				DoCast(me, SPELL_POISON_CLOUD_ADD);
				Cloud_Timer = 10000;
			} else
				Cloud_Timer -= diff;
		}
	};
};

void AddSC_boss_grobbulus() {
	new boss_grobbulus();
	new npc_grobbulus_poison_cloud();
}
